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Pie
3 years ago
15

What is the value of the expression below when x=10x=10 and y=4y=4? 8x-7y 8x−7y

Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0

Answer:

Step-by-step explanation:

8(10) - 7(4)

8X10 - 7X4

80 - 28

52

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if the original desk costs $650. It has been marked down to a new price of $520. what is the percent off
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The percent off is 20%
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3 years ago
What is the difference 5/8 - 3/4 = 5/8 - 6/8 = ______ HELP ME FAST
romanna [79]
Answer:
- 1/8
Step-by-step explanation:
5/8 - 6/8
Just consider the numerators (exclude the 8's),
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3 0
3 years ago
Read 2 more answers
What is 16 x 1/6 I really need help with this question please and thank you
Anton [14]

Hey There,

16 * 1/6 = 2 2/3


Instead of just 16, we can put 16 over a 1

16/1 * 1/6

Multiply across

16 * 1 / 1 * 6

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- I.A. -

3 0
3 years ago
Solve (x+4)2 – 3(x + 4) – 3 = 0 using substitution.<br> u=
mr_godi [17]

Answer:

Step-by-step explanation:

(x+4)2-3(x+4)-3=0

2x+8-3x-12-3=0

-1x-4-3=0

-1x-7=0

-1x=7

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3 0
3 years ago
How many positive 2 digit numbers are not divisible by 6
lana [24]

Answer:

10, 14, 16, 20, 22, 26, 28, 32, 34, 38, 40, 44, 46, 50, 52, 56, 58, 62, 64, 68, 70, 74, 76, 80, 82, 84, 86, 90, 92, 96, 98

Step-by-step explanation:

Basically you find 6, your least common denominator. Plug that into the next highest value, (starting at 10 would be 12), and those are the numbers you won't be able to use. If you want a faster way of doing this, take every even number 10-99 and put it in a calculator, divide by 6. If it is a decimal then those will be in your awnser, if its a whole number, that will not be your awnser. Hope this isn't too confusing and good luck!

4 0
3 years ago
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